Illinois weather live forecast

Today's maximum temperature in Illinois is expected to be 27°F. Select a day from the live weather forecast for Illinois (Chicago), USA for more weather parameters.

Wednesday
4th Feb
27

21

1

1
Thursday
5th Feb
32

21

1

1
Friday
6th Feb
39

27

0

2
Saturday
7th Feb
28

21

2

2
Sunday
8th Feb
34

25

4

2

5-day weather forecast updated at 04:01 on Wednesday 4th February 2026 GMT

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The 5-day weather forecast for Illinois (Chicago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Illinois destinations

Below are temperatures expected today at popular countries, regions and places in Illinois. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

28
Springfield
27
Chicago

All Illinois destinations

Illinois weather forecast by day

Below are the detailed weather forecasts for Illinois for the next 5 days. The forecasts shown are for Chicago and may not represent the whole of Illinois. Browse more destinations in Illinois to view more weather forecasts.

Illinois weather for Wednesday 4th February 2026

Expect broken clouds in Illinois with a maximum temperature of 27°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and little or no wind of 2 mph from the north-west.

27
°F maximum temperature
21
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
25
°F wind chill
2
mph wind from NW

Illinois weather for Thursday 5th February 2026

Expect broken clouds in Illinois with a maximum temperature of 32°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the south-west.

32
°F maximum temperature
21
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
27
°F wind chill
6
mph wind from SW

Illinois weather for Friday 6th February 2026

Expect broken clouds in Illinois with a maximum temperature of 39°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-west.

39
°F maximum temperature
27
°F minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
34
°F wind chill
9
mph wind from NW

Illinois weather for Saturday 7th February 2026

Expect broken clouds in Illinois with a maximum temperature of 28°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the north.

28
°F maximum temperature
21
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
cm of snow expected
21
°F wind chill
7
mph wind from N

Illinois weather for Sunday 8th February 2026

Expect broken clouds in Illinois with a maximum temperature of 34°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-east.